Intel Xeon L5609 's Advantages
Released 1 years late
Larger L3 cache size (12MB vs 8MB)
More modern manufacturing process (32nm vs 45nm)
Lower TDP (40W vs 80W)
Xeon E5530 's Advantages
Higher specification of memory (1066 vs 3)
Higher base frequency (2.4GHz vs 1.866GHz)